ZA201601081B - Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using residual-signal-based adjustment of a contribution of a decorrelated signal - Google Patents
Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using residual-signal-based adjustment of a contribution of a decorrelated signalInfo
- Publication number
- ZA201601081B ZA201601081B ZA2016/01081A ZA201601081A ZA201601081B ZA 201601081 B ZA201601081 B ZA 201601081B ZA 2016/01081 A ZA2016/01081 A ZA 2016/01081A ZA 201601081 A ZA201601081 A ZA 201601081A ZA 201601081 B ZA201601081 B ZA 201601081B
- Authority
- ZA
- South Africa
- Prior art keywords
- channel audio
- signal
- contribution
- residual
- methods
- Prior art date
Links
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/07—Synergistic effects of band splitting and sub-band processing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Mathematical Analysis (AREA)
- Theoretical Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177375 | 2013-07-22 | ||
| EP13189309.1A EP2830053A1 (en) | 2013-07-22 | 2013-10-18 | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| PCT/EP2014/065416 WO2015011020A1 (en) | 2013-07-22 | 2014-07-17 | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA201601081B true ZA201601081B (en) | 2017-11-29 |
Family
ID=48808223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2016/01081A ZA201601081B (en) | 2013-07-22 | 2016-02-17 | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using residual-signal-based adjustment of a contribution of a decorrelated signal |
Country Status (19)
| Country | Link |
|---|---|
| US (4) | US10839812B2 (enExample) |
| EP (5) | EP2830053A1 (enExample) |
| JP (5) | JP6253776B2 (enExample) |
| KR (2) | KR101893016B1 (enExample) |
| CN (2) | CN105556596B (enExample) |
| AR (1) | AR097013A1 (enExample) |
| AU (3) | AU2014295212B2 (enExample) |
| BR (3) | BR122022015729B1 (enExample) |
| CA (2) | CA2974271C (enExample) |
| ES (3) | ES2701812T3 (enExample) |
| MX (3) | MX361809B (enExample) |
| MY (2) | MY192214A (enExample) |
| PL (3) | PL3425633T3 (enExample) |
| PT (2) | PT3425633T (enExample) |
| RU (1) | RU2676233C2 (enExample) |
| SG (3) | SG11201600403VA (enExample) |
| TW (1) | TWI566234B (enExample) |
| WO (1) | WO2015011020A1 (enExample) |
| ZA (1) | ZA201601081B (enExample) |
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| EP2830053A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| AU2014329890B2 (en) * | 2013-10-03 | 2017-10-26 | Dolby Laboratories Licensing Corporation | Adaptive diffuse signal generation in an upmixer |
| CN111179956B (zh) * | 2013-10-21 | 2023-08-11 | 杜比国际公司 | 音频信号的参数化重构 |
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| FR3045915A1 (fr) * | 2015-12-16 | 2017-06-23 | Orange | Traitement de reduction de canaux adaptatif pour le codage d'un signal audio multicanal |
| SG11202000510VA (en) | 2017-07-28 | 2020-02-27 | Fraunhofer Ges Forschung | Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
| CN117198302A (zh) * | 2017-08-10 | 2023-12-08 | 华为技术有限公司 | 时域立体声参数的编码方法和相关产品 |
| US10839814B2 (en) * | 2017-10-05 | 2020-11-17 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| US10580420B2 (en) * | 2017-10-05 | 2020-03-03 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| US10535357B2 (en) * | 2017-10-05 | 2020-01-14 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| CN110060696B (zh) * | 2018-01-19 | 2021-06-15 | 腾讯科技(深圳)有限公司 | 混音方法及装置、终端及可读存储介质 |
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| CN102074242B (zh) * | 2010-12-27 | 2012-03-28 | 武汉大学 | 语音音频混合分级编码中核心层残差提取系统及方法 |
| JP5582027B2 (ja) * | 2010-12-28 | 2014-09-03 | 富士通株式会社 | 符号器、符号化方法および符号化プログラム |
| EP2477188A1 (en) | 2011-01-18 | 2012-07-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of slot positions of events in an audio signal frame |
| MY167957A (en) | 2011-03-18 | 2018-10-08 | Dolby Int Ab | Frame Element Length Transmission in Audio Coding |
| JP5737077B2 (ja) | 2011-08-30 | 2015-06-17 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム |
| JP5998467B2 (ja) | 2011-12-14 | 2016-09-28 | 富士通株式会社 | 復号装置、復号方法、及び復号プログラム |
| EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| EP2830053A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
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